<div id="question" class="clearfix">
    <div class="panel-left panel pull-left">
        <ul class="panel-body" >
            <li  ng-class="{active:navStatus.indexOf('allQuestion')>=0}"><a ui-sref="course.question.allQuestion"><i class="question"></i>问题区</a></li>
            <li  ng-class="{active:navStatus.indexOf('creamQuestion')>=0}"><a ui-sref="course.question.creamQuestion"><i class="essence"></i>精华问题</a></li>
            <li ng-class="{active:navStatus.indexOf('myQuestion')>=0}"><a ui-sref="course.question.myQuestion"><i class="mine"></i>我的问题</a></li>
            <li ng-class="{active:navStatus.indexOf('askQuestion')>=0}"><a ui-sref="course.question.askQuestion"><i class="send"></i>我要提问</a></li>
        </ul>
        <i class="pull-right"></i>
    </div>
    <div class="panel-right panel pull-left" >
        <div ui-view></div>
        
    </div>
</div>